*SUPPORT*
IN: dax fep OUT: RED BLUE
IN: dax dax blicket zup tufa fep blicket OUT: BLUE GREEN RED RED GREEN GREEN
IN: wif blicket zup OUT: PURPLE GREEN GREEN
IN: wif tufa fep zup kiki dax OUT: BLUE BLUE PURPLE BLUE BLUE PURPLE RED
IN: wif dax zup kiki blicket OUT: PURPLE RED RED PURPLE RED RED GREEN
IN: blicket zup OUT: GREEN GREEN
IN: wif zup OUT: PURPLE PURPLE
IN: fep OUT: BLUE
IN: dax fep zup OUT: RED BLUE BLUE
IN: blicket OUT: GREEN
IN: blicket fep zup OUT: GREEN BLUE BLUE
IN: fep zup OUT: BLUE BLUE
IN: dax zup OUT: RED RED
IN: wif OUT: PURPLE

*QUERY*
IN: blicket zup kiki blicket OUT: GREEN GREEN GREEN GREEN GREEN
IN: wif kiki dax zup OUT: PURPLE PURPLE RED RED
IN: fep zup tufa dax zup OUT: RED RED BLUE BLUE
IN: wif kiki blicket OUT: PURPLE PURPLE GREEN
IN: dax wif tufa wif OUT: PURPLE RED PURPLE
IN: wif dax zup kiki wif OUT: PURPLE RED RED PURPLE RED RED PURPLE
IN: fep kiki wif zup OUT: BLUE BLUE PURPLE PURPLE
IN: blicket dax dax zup OUT: GREEN RED RED RED
IN: dax OUT: RED
IN: blicket tufa dax OUT: RED GREEN

*GRAMMAR*
wif -> PURPLE 
 dax -> RED 
 blicket -> GREEN 
 fep -> BLUE 
 x1 kiki x2 -> [x1] [x1] [x2] 
 u1 zup -> [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 